The Pentek 151117 Viton O-Ring provides a critical leak-proof seal between the filter housing sump and cap for 10", 12", and 20" natural polypropylene housings. Engineered from high-grade Viton material with a 4-inch diameter, this o-ring delivers superior chemical resistance and temperature tolerance for demanding filtration applications.
TECHNICAL DETAILS
Pentek 151117 Specifications
| Part Number | 151117 (Pentek Model 241) |
| Material | Viton (fluoroelastomer) |
| Diameter | Approximately 4 inches |
| Housing Compatibility | 10", 12", and 20" natural polypropylene filter housings |
| Temperature Range | -15°F to 400°F (-26°C to 204°C) |
| Chemical Resistance | Excellent resistance to oils, fuels, acids, and solvents |
| Recommended Maintenance | Lubricate with silicone grease during installation and filter changes |
COMPATIBILITY & APPLICATIONS
Where This O-Ring Works
The Pentek 151117 Viton o-ring is designed specifically for Pentair's natural polypropylene filter housings in 10", 12", and 20" sizes. Viton material makes this o-ring ideal for installations handling chlorinated water, petroleum products, aggressive chemicals, or elevated temperatures where standard Buna-N o-rings would degrade. Common applications include commercial water filtration, industrial process water, food and beverage production, and residential whole-house systems in high-temperature or chemical-exposure environments. Always apply food-grade silicone grease to the o-ring before installation to ensure proper sealing and extend service life.
💧 Replace your housing o-ring every 2-3 filter changes or annually, whichever comes first. A dried or cracked o-ring is the most common cause of housing leaks, and keeping a spare on hand prevents emergency shutdowns.
